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cpu/efm32: fix i2c transfers #15764

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cpu/efm32: fix i2c transfers #15764

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ed88c59
cpu/efm32: fix busy-loop for transfers
basilfx Jan 13, 2021
4e7df52
cpu/efm32: init pins with GPIO_OD_PU
basilfx Jan 13, 2021
9f472c3
fixup! cpu/efm32: fix busy-loop for transfers
basilfx Jan 13, 2021
2914d45
test! boards/sltb001a: add board_late_init
basilfx Jan 13, 2021
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9 changes: 8 additions & 1 deletion boards/sltb001a/board.c
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Expand Up @@ -22,6 +22,7 @@
#include "board.h"
#include "board_common.h"
#include "periph/gpio.h"
#include "xtimer.h"

#ifdef MODULE_SILABS_PIC
#include "pic.h"
Expand All @@ -35,8 +36,15 @@ void board_init(void)
#ifndef RIOTBOOT
/* perform common board initialization */
board_common_init();
#endif
}

void board_late_init(void)
{
#ifdef MODULE_SILABS_PIC
/* PIC requires xtimer for timing */
xtimer_init();

#ifdef MODULE_CCS811
/* enable the CCS811 air quality/gas sensor */
pic_write(CCS811_PIC_ADDR, (1 << CCS811_PIC_EN_BIT) | (1 << CCS811_PIC_WAKE_BIT));
Expand All @@ -62,5 +70,4 @@ void board_init(void)
(RGB_LED4_ENABLED << RGB_LED4_EN_BIT));
#endif
#endif
#endif
}
3 changes: 3 additions & 0 deletions core/init.c
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Expand Up @@ -46,6 +46,9 @@ static void *main_trampoline(void *arg)
{
(void)arg;

extern void board_late_init(void);
board_late_init();

#ifdef MODULE_AUTO_INIT
auto_init();
#endif
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